A policy of building frontage roads alongside freeway mainlanes avoids the purchase of access rights when upgrading existing highways to freeways standards, and generally supplements local street networks. It also may affect corridor operations, land values, and development patterns. This paper seeks to provide a comprehensive evaluation of frontage road design policies by summarizing research results related to legal statutes affecting public access to roadways, discussing access policies and practices across the states, comparing land development and operations of corridors with and without frontage roads, summarizing studies on access-right valuation, and evaluating construction cost distinctions. A literature review concluded that a wide variety of options are available to agencies for limiting access to and improving flow and safety along freeway corridors. Statistical analyses of paired corridors suggested that land near frontage roads is associated with lower household incomes, lower population densities, lower percentages of bike trips to work, lower vehicle occupancies for work trips, and higher unemployment rates than those without frontage-roads. Lower employment densities along freeway corridors also emerged when frontage roads were present. Operational simulations of various freeway systems demonstrated that frontage roads may improve the operation of freeway mainlanes in heavily developed areas, but not in moderately developed areas (e.g., purely residential). Arterial systems in these simulations were supplemented by frontage roads and thus also performed better in their presence.
Frontage Roads in Texas: A Comprehensive Assessment
2001
200 pages
Report
No indication
English
Transportation , Transportation & Traffic Planning , Road Transportation , Frontage roads , Legal aspects , Land use , Texas , Highway design , Roads , Access control , Highway planning , Construction costs , Traffic safety , Research projects , Crash frequencies , Freeways , Literture reviews , Corridor comparisons
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